"A Conceptual Framework for the Augmentation of Man's Intellect." by Douglas C. Engelbart, published in Vistas in Information Handling, Howerton and Weeks [Ed.], Spartan Books, Washington, D. C., 1963, pp. 1-29 (AUGMENT,133183,). This is an edited down version of Doug's 1962 report "Augmenting Human Intellect: A Conceptual Framework" for publication.
Republished in Computer Supported Cooperative Work: A Book of Readings, Irene Greif [Ed.], Morgan Kaufmann Publishers, Inc., San Mateo, CA, 1988, pp. 35-65. Also republished in Organization and Groupware, T. Nishigaki [Ed.], NTT Publishing, 1992.